Well worth the money and A LOT of people still play it. This is one of the most-occupied Valve games on here (imo - no actual values here).

That's why you use antivirus software and scan any new D/Ls thouroughly brfore opening the game. www.L4DMaps.com has hundreds of custom content and rating is based on player-feedback . I've never had any malicious software in any L4D maps, and I've gottem over 120 so far. And a few of them are far better than many of the official maps. If you've played the XboX version so you know how the game works (Hopefully). Just expect enemies to be more plentiful and even more dangerous as a result of a mouse and keyboard being far more accurate, and they've been playing competitve shooter players who are good enough to keep up